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Transcription and Regulation

Transcription and Regulation
Transcription factors are

CATT boxes
promoters
TATA boxes
proteins which bind to DNA and regulate transcription

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Transcription and Regulation
Enhancers are regions that

are CAT box binding proteins
modulate transcription
are adjacent to the TATA box
bind RNA polymerase

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Transcription and Regulation
Each tRNA molecule has a cloverleaf secondary structure consisting of

two stem loops
four stem loops
three stem loops
either (a) or (b)

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Transcription and Regulation
The regions of a gene located at -10 and -35, with respect to the start of transcription, are termed

oriC regions.
Shine Dalgarno sequences.
promoters.
start codons.

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Transcription and Regulation
Immediately after transcription

both (a) and (b)
a methylated guanine cap is added to the 31 end of the transcript
a methylated guanine cap is added to the 51 end of the transcript
a poly adenylation signal is added

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Transcription and Regulation
Upstream regions which are essential for correct transcription are called

transcription factors
promoters
start codons
enhancers

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